| The plant has the characteristic ochrea of the buckwheat family at the junction of the petiole and stem. |
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| It differs in that it lacks glandular dots and usu. has a long-hairy ochrea, and by the styles that are fused from the base to halfway. |
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| The stipules take the form of a protective organ, the ochrea, which at first totally covers the shoot bud, and then remains behind as a dry collar. |
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| Ochrea of stem leaf membranous, short, loose, and brown. |
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